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Messages - Mike

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1756
PSOUG / Re: The "Contact Us" email area appears to be broken
« on: September 05, 2009, 12:13:17 PM »
Thank you for catching this- it's been fixed.  


When trying to send a question to webmaster, I got the following errors...

Warning
: mysql_num_rows(): supplied argument is not a valid MySQL result resource in /home/www/psoug/util/users_online.php on line 54

Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in /home/www/psoug/util/users_online.php on line 54

Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in /home/www/psoug/util/users_online.php on line 54
                  
It seems there is a problem in the messaging area....

1757
PSOUG / Oracle Delays Security Updates for User Conference
« on: September 04, 2009, 07:25:21 AM »
Oracle Delays Security Updates for User Conference
Thursday, September 03, 2009 3:30 PM PDT

Oracle database administrators who are worried they might have toskip Oracle's user conference next month to fiddle with security updates can relax. Oracle is cutting them a break and releasing its next set of patches a week later than planned.

The updates, which are released on a set schedule every three months, had been due for release on Oct. 13, slap in the middle of Oracle's OpenWorld conference in San Francisco. But after thinking things over, Oracle has decided to delay the patches. They're now due on Oct. 20.

Oracle announced the change Thursday on its Web site, saying it was moving the patches back because"many Oracle customers with responsibility for deploying the CriticalPatch Update within their respective organizations will be attendingOracle OpenWorld."

The database vendor plans to release its advance notification information, detailing which products will be affected by the updates, a week later than expected too. It's due onOct. 15.

Admins responsible for Windows systems will still have some work to do during the conference, however. Oct. 13 is the day Microsoft is expected to release its set of security updates for the month.

1758
PSOUG / Oracle, MySQL Not Competitors, Says Ingres CEO
« on: September 04, 2009, 07:22:44 AM »
Oracle, MySQL Not Competitors, Says Ingres CEO

Sun's ownership of the MySQL open source database is being viewed as a potential anti-competitive issue by the European Commission.

By Charles Babcock
InformationWeek
September 4, 2009 08:25 AM

A European Commission investigation will delay Oracle's takeover of Sun but not stop it, predicted Roger Burkhardt, CEO of Ingres Corp., supplier of the open source Ingres database system.

"In the end, it will go through, I think," said Burkhardt upon hearing about the Commission's announcement of a Phase Two investigation into Oracle's $5.6 billion purchase.

Sun's ownership of the MySQL open source database is being viewed as a potential anti-competitive issue by the commission, the administrative body of the European Union. But Burkhardt said MySQL rarely competes head-to-head with Oracle in the existing database market.

"Oracle makes money by being the corporate transaction processing system, the mission-critical production system. It's not realistic to say MySQL is a competitive database with Oracle. It's not like the commission can make that argument," he said.

MySQL got its start as a relational system that specialized in the high speed serving of Web pages and was implemented on several leading Web sites, including eBay, Facebook and Slashdot.com.

Full Article: http://www.informationweek.com/news/software/database/showArticle.jhtml?articleID=219501280

1759
PSOUG / Slow Oracle Merger Leads To Outflow of Sun Projects, Coders
« on: September 03, 2009, 02:00:38 PM »
Slow Oracle Merger Leads To Outflow of Sun Projects, Coders

Sun Microsystems might have had a chance if the Oracle merger had gone through quickly, but between the DoJ taking its time and the European Commission, which seems to get off on abusing American firms, just plain dragging its feet, that won't happen now.

As Sun twists in the wind, unable to defend itself, and Oracle is unable to do anything until the deal closes, IBM is pretty much tearing Sun to shreds. By the time this deal closes, there may not be much left for Oracle. This is not how a Silicon Valley legend should end.

Note: The summary places a lot of blame on regulators. But in fact, the article quotes IBM claiming the announcement of the acquisition is what drove people to IBM; that obviously has nothing to do with subsequent delays.

As for talent leaving, the article provides one example of 3 employees who left because they were unsure of Oracle's commitment to their work. However, there is no reason to assume the EU or DOJ have anything to do with this. Oracle could have reassured them at any time, if they knew, and cared, which isn't a very realistic expectation for a small team in a big merger.

1760
PSOUG / Re: Call web Service From PLSQL
« on: September 02, 2009, 02:35:39 PM »
Does anyone know how to call a web service from PL/SQL?

Tom Krueger has an excellent write up on this:

I would like to say that calling a web service has been made easy with Sys.UTL_DBWS package but it took me a bit of time to get it right.  This biggest issue that I ran into is that the samples that I found online and in the forums simply don’t work. 

The sample below was provided by Oracle support and helped a lot in getting started so I thought that I would pass it along.  The sample uses a public web service so if the service is still running this code should just work for you.  My ultimate goal was to call a Microsoft WCF service which I have been able to do and plan to post the code soon.

function get_joke
return varchar2
is
  service_       sys.utl_dbws.SERVICE;
  call_          sys.utl_dbws.CALL;
  service_qname    sys.utl_dbws.QNAME;
  port_qname       sys.utl_dbws.QNAME;
  xoperation_qname   sys.utl_dbws.QNAME;
  xstring_type_qname sys.utl_dbws.QNAME;
  response       sys.xmltype;
  request        sys.xmltype;
begin
  service_qname := sys.utl_dbws.to_qname(null, 'getJoke');
  service_ := sys.utl_dbws.create_service(service_qname);
  call_ := sys.utl_dbws.create_call(service_);
  sys.utl_dbws.set_target_endpoint_address(call_, 'http://interpressfact.net/webservices/getjoke.asmx');
  sys.utl_dbws.set_property( call_, 'SOAPACTION_USE', 'TRUE');
  sys.utl_dbws.set_property( call_, 'SOAPACTION_URI', 'http://interpressfact.net/webservices/getJoke');
  sys.utl_dbws.set_property( call_, 'OPERATION_STYLE', 'document');
  request := sys.xmltype(
     '<getJoke xmlns="http://interpressfact.net/webservices/">'
    || '<Category>Excuses-10</Category>'
    || '</getJoke>');
  response :=sys. utl_dbws.invoke(call_, request);
  return response.extract('//getJokeResult/child::text()',
    'xmlns="http://interpressfact.net/webservices/"').getstringval();
end;


http://tomkrueger.wordpress.com/2008/09/17/how-to-call-a-web-service-from-oracle-plsql/



Also, there's another page that gives a good explanation of doing this:

http://akdora.wordpress.com/2007/08/03/calling-a-web-service-by-plsql-utl_http/

Web services uses XML to code and decode your data and SOAP to transport it.
We have some input parameters and make a request.Then, we get a response from it with output parameters. All this syntaxis in XML format. So, we will use XMLtype in our pl/sql package.

Let’s start to write a soap access package or we can use this package  (
www.oracle-base.com/dba/miscellaneous/soap_api.sql
)
  Let’s assume we have a function “myFunction” in this page http://www.mywebservice.com/web  Then,start to write our code


Web services uses XML to code and decode your data and SOAP to transport it.

We have some input parameters and make a request. Then, we get a response from it with output parameters. All this syntax is in XML format. So, we will use XMLtype in our pl/sql package.

Let’s start to write a soap access package or we can use this package :) (www.oracle-base.com/dba/miscellaneous/soap_api.sql)

:) Let’s assume we have a function “myFunction” in this page http://www.mywebservice.com/web :) Then,start to write our code

CREATE OR REPLACE PACKAGE pkg_my_webservice IS
   FUNCTION call_myfuntion
   (
      vp_parameter1 VARCHAR2,
      vp_parameter2 VARCHAR2
   ) RETURN VARCHAR2;
END pkg_my_webservice;
/

CREATE OR REPLACE PACKAGE BODY pkg_my_webservice IS

   vg_funciton_fnc VARCHAR2(256) := 'myFunction';
   vg_ws_address   VARCHAR2(255) := 'http://www.mywebservice.com/web';

   FUNCTION call_myfuntion(
                   --lets assume that it inputs two parameters called string1, string2
                   vp_parameter1 VARCHAR2,
                   vp_parameter2 VARCHAR2)
   
    RETURN VARCHAR2 AS
      ol_req  soap_api.t_request;
      ol_resp soap_api.t_response;
   BEGIN
      -- we initilize a new request
      ol_req := soap_api.new_request(vg_funciton_fnc,
                         'xmlns="' || vg_ws_address || '"');
      -- we started to add parameters
      soap_api.add_parameter(ol_req,
                     'string1',
                     'partns:string',
                     vp_parameter1);
                   
      soap_api.add_parameter(ol_req,
                     'string2',
                     'partns:string',
                     vp_parameter1);
                   
      -- we call the web service
      ol_resp := soap_api.invoke(ol_req, vg_ws_address, vg_funciton_fnc);
      -- we get back the results
      RETURN soap_api.get_return_value(ol_resp,
                           'result', -- result tag name
                           'xmlns:m="' || --can be change as "xmlns:n1"
                           vg_ws_address || '"');
   
   END call_myfuntion;

END pkg_my_webservice;
/

1761
PSOUG / Pittsburgh Area to Host Oracle BI Report & Dashboard Workshop
« on: September 01, 2009, 09:07:20 AM »
Pittsburgh Area to Host Oracle BI Report & Dashboard Workshop

The Free Hands-on Business Intelligence Workshop is being conducted by BI Consulting Group and Oracle

Coraopolis, PA, USA September 01, 2009 -- BI Consulting Group announced today that they will be partnering with Oracle for a one-day technology briefing on enterprise performance management, featuring an interactive hands-on workshop with the latest on Oracle Business Intelligence Suite Enterprise Edition (OBIEE).

The workshop will take place at the Oracle Corporation office in Coraopolis, Pennsylvania on Monday, September 14th and will showcase OBIEE, as designed for pervasive use, with new levels of usability for reaching and empowering the broadest audiences with complete and timely insight. Oracle BI EE is also the technology foundation for business intelligence in Oracle Fusion applications.

WHO:
BI Consulting Group, Oracle’s premier consulting partner focused exclusively on Oracle Business Intelligence and Enterprise Performance Management.

WHAT:
BI Consulting Group to host free workshop highlighting OBIEE Report/Dashboards.

Oracle BI Suite Enterprise Edition (EE) is a comprehensive and innovative next-generation BI platform that offers the best foundation for building enterprise BI solutions from data spanning heterogeneous data sources, including Oracle and non-Oracle systems.

WHEN:
Monday, September 14th, 2009
8:30am to 2:00pm EDT

WHERE:
Oracle Corporation
1550 Coraopolis Heights Rd., Suite 400
Coraopolis, PA 15108-2973

To view complete conference details please visit: Free Oracle Hands-on Business Intelligence Workshop

ABOUT Oracle
Oracle is the world’s largest enterprise software company. For more information about Oracle, please visit http://www.oracle.com.

ABOUT BI CONSULTING GROUP
BI Consulting Group (BICG) is Oracle's premier consulting partner focused exclusively on Oracle Enterprise Performance Management (EPM) and Business Intelligence (BI). Service offerings include consulting services, support, and education. The experts at BI Consulting Group have successfully completed some of the most complex implementations of Oracle BI in the world. Along the way, BICG has been honored with Oracle's Most Valuable Partner Award for Business Intelligence and the Oracle Excellence Award for the creation of innovative and standards-based technology solutions. BICG has also been named the #1 consulting firm for customer satisfaction by VendorRate. www.biconsultinggroup.com.

Contact:
Jeremiah Johnson
BI Consulting Group
Coraopolis, PA
651.403.6527
jeremiah.johnson@biconsultinggroup.com
http://www.biconsultinggroup.com

1762
PSOUG / Top Ten Mistakes Found in Oracle Systems
« on: August 27, 2009, 10:35:48 PM »
Top Ten Mistakes Found in Oracle Systems

These are the top 10 most common mistakes found in Oracle systems. By following Oracle's performance improvement methodology, you should be able to avoid these mistakes altogether. If you find these mistakes in your system, then re-engineer the application where the performance effort is worthwhile.

   1. Bad Connection Management
    The application connects and disconnects for each database interaction. This problem is common with stateless middleware in application servers. It has over two orders of magnitude impact on performance, and it is totally unscalable.


   2. Bad Use of Cursors and the Shared Pool
    Not using cursors results in repeated parses. If bind variables are not used, then there is hard parsing of all SQL statements. This has an order of magnitude impact in performance, and it is totally unscalable. Use cursors with bind variables that open the cursor and execute it many times. Be suspicious of applications generating dynamic SQL.


   3. Getting Database I/O Wrong
    Many sites lay out their databases poorly over the available disks. Other sites specify the number of disks incorrectly, because they configure disks by disk space and not I/O bandwidth.


   4. Redo Log Setup Problems
    Many sites run with too few redo logs that are too small. Small redo logs cause system checkpoints to continuously put a high load on the buffer cache and I/O system. If there are too few redo logs, then the archive cannot keep up, and the database will wait for the archive process to catch up.


   5. Serialization of data blocks in the buffer cache due to lack of free lists, free list groups, transaction slots (INITRANS), or shortage of rollback segments.
    This is particularly common on INSERT-heavy applications, in applications that have raised the block size to 8K or 16K, or in applications with large numbers of active users and few rollback segments.


 6. Long Full Table Scans
    Long full table scans for high-volume or interactive online operations could indicate poor transaction design, missing indexes, or poor SQL optimization. Long table scans, by nature, are I/O intensive and unscalable.


   7. In Disk Sorting
    In disk sorts for online operations could indicate poor transaction design, missing indexes, or poor SQL optimization. Disk sorts, by nature, are I/O-intensive and unscalable.


   8. High Amounts of Recursive (SYS) SQL
    Large amounts of recursive SQL executed by SYS could indicate space management activities, such as extent allocations, taking place. This is unscalable and impacts user response time. Recursive SQL executed under another user ID is probably SQL and PL/SQL, and this is not a problem.


   9. Schema Errors and Optimizer Problems
    In many cases, an application uses too many resources because the schema owning the tables has not been successfully migrated from the development environment or from an older implementation. Examples of this are missing indexes or incorrect statistics. These errors can lead to sub-optimal execution plans and poor interactive user performance. When migrating applications of known performance, export the schema statistics to maintain plan stability using the DBMS_STATS package.

    Likewise, optimizer parameters set in the initialization parameter file can override proven optimal execution plans. For these reasons, schemas, schema statistics, and optimizer settings should be managed together as a group to ensure consistency of performance.


  10. Use of Nonstandard Initialization Parameters
    These might have been implemented based on poor advice or incorrect assumptions. In particular, parameters associated with SPIN_COUNT on latches and undocumented optimizer features can cause a great deal of problems that can require considerable investigation.

1763
http://www.learn-Oracle-OLAP.com

Pittsburgh, PA–August 22, 2009 - Multidimensional analysis lies at the heart of modern business intelligence systems. The multidimensional approach to working with data yields user interfaces to slice-and-dice summarized data- and to navigate up and down hierarchies. This translates into the ability to display business performance as a function of key variables and to view results at selectable levels of detail.

The Multidimensional Data Modeling Toolkit: Making your Business Intelligence Applications Smart with Oracle OLAP is the only book that takes the developer under the covers to show exactly what happens inside of Oracle's analytic workspaces where the multidimensional magic occurs.

Business intelligence developers who want in-depth understanding and expert skill levels with OLAP will find that the book takes them significantly beyond product documentation and a wizard-based exposure to the technology. The book puts the reader on a learning path beginning with a definition and explanation of the benefits of OLAP, and ending with a comparison of multidimensional analysis techniques to other the analytical approaches used in business intelligence applications: data mining and statistics. On this path the reader learns the syntax and programming techniques, and discovers the information analysis principles that motivate its use

The reader will gain a detailed knowledge of the Oracle OLAP DML programming language, they will see a plethora of analytical devices specific to the OLAP approach, they will learn the relationship between the tables in a relational data warehouse and the storage devices employed by OLAP cubes. The presentation is couched in terms of practical examples that will benefit any application area, including sales and marketing, finance, customer analysis, and manufacturing.

The content of the book is based on the Oracle 10g database, however, most of the programming statements shown will work with other editions of the database, such as Oracle 9i and 11g, and even earlier editions of the technology found in stand-alone products such as the Express database, Oracle Financial Analyzer, and Oracle Sales Analyzer. So if you are developing business intelligence systems in Oracle or porting from one of these platforms this book gives you helpful information you will use to get the job done.

The analysis principles presented are universal and can be applied to any OLAP system, for example Essbase, Cognos, Business Objects, and Microsoft Analysis Services. So whether you are new to business intelligence or a seasoned practitioner, you should find The Multi-dimensional Data Modeling Toolkit with plenty of valuable insights to offer. e book is available on Amazon directly from the publisher's website at http://www.learn-Oracle-OLAP.com.

1764
PSOUG / Free Virtualization Webcast
« on: August 26, 2009, 10:30:25 PM »
Quest Software, a leader in virtualization and application management, and Evelyn Hubbert, our featured guest analyst from Forrester, invite you to attend the Sept. 1 webcast, "Great Virtual IT Management - Learn from the Best!"
      
This webcast, the second in a series, will highlight best practices for mitigating the risks created by combining virtualization and business-critical applications. As a senior analyst at Forrester who consults with companies like yours every day, Ms. Hubbert will provide real-life examples of how great IT organizations are approaching virtualization management.


1765
PSOUG / DOJ Gives Oracle Approval To Buy Sun
« on: August 23, 2009, 10:49:35 PM »
The BBC is reporting that the US Justice Department has approved Oracle's takeover of Sun Microsystems.

The acquisition gives Oracle control over (or a leading role in), among other things, Java, MySQL, (Open) Solaris, ZFS, OpenOffice, and the NetBeans IDE.

'The European Commission has still to rule on the deal, a step that will be required before it can close.That body has indicated it will issue an initial opinion on Sept. 3,according to the Wall Street Journal.

It may OK the deal at that time or launch a four-month probe of it. ... The Justice Department ruling came earlier than expected, a possible response to Sun's declining revenues and precarious business position in a steep recession, as the required reviews proceeded.'

The deal was widely discussed back when it was announced in April.

1766
PSOUG / PSOUG October User Group Meeting
« on: August 20, 2009, 09:05:23 AM »
PSOUG's October meeting will be held on Wednesday, October 14th, from 5 to 7 pm (venue to be announced). Admission is free to registered PSOUG members and dinner will be served.

We will have a technical presentation on screening out internet security threats to protect your database.

Please register for your free 2010 membership and please let us know if you'll be attending the October meeting so that we can plan the food and seating requirements.


1767
PSOUG / Join the OAUG SIG Community at Oracle OpenWorld 2009
« on: August 20, 2009, 07:38:30 AM »

If you’re headed to Oracle OpenWorld 2009, be sure to set aside some time to join the OAUG Special Interest Group (SIG) User Community on Sunday, October 11, 2009.

The OAUG SIG community serves to facilitate discussion and information sharing among like-minded peers. With more than 50 SIG meetings scheduled, you’re sure to find a group that is discussing a topic of interest to you, such as:

    • Business Intelligence (BI)
    • Middleware
    • Hyperion
    • Service Oriented Architecture (SOA)
    • General Ledger and Financial Reporting
    • Enterprise Performance Management
    • Payables and Receivables
    • Customer Relationship Management (CRM)
    • Governance, Risk and Compliance
    • Workforce Planning
    • Enterprise Supply Chain Management[/FONT]

    … and much more.
    Check the full OAUG SIG meeting schedule(PDF file) for specific meetings, times and room locations. If you have any questions or require additional information, contact Regina Robuck, OAUG manager, affiliate communities, at +1 404.760.2887 or at rrobuck@oaug.com.

    SIG meetings are free and open to all Oracle OpenWorld attendees.Don't miss this great opportunity to connect with other users who share your interests, challenges and experiences.

    OAUG Fusion Council Explores Oracle Fusion Applications at Oracle OpenWorld 2009

    The OAUG Fusion Council will host a face-to-face meeting on Sunday, October 11, 2009, from 2 - 3 p.m. during Oracle OpenWorld2009. OAUG Fusion Council Chair Floyd Teter will provide information about his recent experience testing Oracle Fusion Applications and the council will facilitate an interactive Q&A session.

    Everyone is welcome. The OAUG Fusion Council meeting at Oracle OpenWorld 2009 will be held in Room 3001 in Moscone West, Moscone Center, San Francisco, Calif.

    Visit the OAUG Web site for regular updates about the OAUG’s activities and events at Oracle OpenWorld 2009.

    1768
    PSOUG / Free Download: SQL Developer Data Modeler
    « on: August 14, 2009, 09:58:58 AM »
     Oracle SQL Developer Data Modeler

    Oracle SQL Developer Data Modeler is the latest product offering from the Oracle Database Tools group. SQL Developer Data Modeler is an independent, standalone product with a full spectrum of data and data base modeling tools and utilities, including modeling for Entity Relationship Diagrams (ERD), Relational (database design), Data Type and Multi-dimensional modeling, full forward and reverse engineering and DDL code generation.

    The Data Modeler imports from and exports to a variety of sources and targets, provides a variety of formatting options and validates the models through a predefined set of design rules.

    Oracle SQL Developer Data Modeler can connect to any supported Oracle Database and is platform independent. A read-only SQL Developer Data Modeler Viewer is also available for download. The viewer allows users to open models created in the Data Modeler.

    More info: http://www.oracle.com/technology/products/database/datamodeler/index.html
    Free Download: http://www.oracle.com/technology/software/products/sql/datamodeler.html

    1769
    PSOUG / Back to Work: Practice Interviews with WTIA Board Members
    « on: August 14, 2009, 08:06:53 AM »
    Back to Work

    F5 Networks
    September 15, 2009
    8:30am-4:30pm

    Admission to this event is free to all attendees.

    REGISTER | ADD TO CALENDAR
    This event is geared towards current job seekers as well as anyone who wants to stay up to date with the most current job search techniques in the market today. Attendees will benefit from this event's rich content matter as well as the collective experience and support of the other workshop participants.

    • 1-on-1 Mock Interviews with WTIA Board Members and HR Professionals.
      Check out the mock interviewers that we have lined up!
    Speakers & Topical Areas:
    • Change is Inevidable - Embrace It: Christie Miller - Career Coach, SeattleJobs.org
    • Job Search 101 - Basics Boot Camp: Debbie Faulker - Vice President People Support, Sound Inpatient Physicians
    • Marketing Yourself Successfully: Matt Youngquist - President & Founder, Career Horizons, LLC
    • Real Life Successes & Failures to Learn From: Kathi Jones - President Prodcuts, Swift HR Solutions
    Check out the agenda and register to attend today!

    1770
    PSOUG / Redo log corruption - issue and fixes
    « on: August 12, 2009, 11:46:02 AM »
    If you see these errors, you most likely have a corrupted redo log file:

    ORA-01172: recovery of thread 1 stuck at block xx of file x
    ORA-1151: use media recovery to recover block, restore backup if needed.

    For ORA-01172, the cause may be that  the block was corrupted and then repaired during recovery.

    To attempt to fix this, do a RECOVER DATAFILE for the file containing the block. If this doesn't fix the problem then you may need to restore the file from a backup (and then attempt to recover it).

    If the redo logs are still available, try doing a RECOVER DATAFILE x (where 'x' is the indicated file id in the error message).

    If the database is completely frozen (unresponsive), try these steps:

    1) SHUTDOWN IMMEDIATE
    2) STARTUP MOUNT
    3) RECOVER DATAFILE x
    4) ALTER DATABASE OPEN

    You may also as a last resort try RECOVER DATABASE.

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